1、 , (N 12086:1997, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)N 120862011, - 1.092 . - 1.22009 . , . , , -, 1 “ , - 4 2 465 3 - , - ( 8 2011 . 39) : (IS 3166) 00497 (IS 3166) 00497 ZAMKZKGMDRUTJUZ - - o 4 N 12086:1997Thermal insulating products for building appli
2、cations Determination of water vapour transmission properties( , . -). - 1.52001 ( 3.6). - , - . (en). (IDT)5 27 2012 . 1987- N 120862011 1 2013 .6 II EN 120862011 -, - . () . , - - , 2013 -, III EN 1208620111 .12 13 14 .25 .26 37 .38 59 .610 7 () 8 () .9 () 10 () 1112IV EN 120862011 , , - , , .V EN
3、 120862011 , Thermal insulating products in building applications. Method for determination of water vapour transmission properties1 ( ), - , - , , , . .1 , , . . .2 , , - , , , , . , , -sdc1791000(.3.6),- , , , , , , . , - (), . - .2 :N 12085:1997 Thermal insulating products for building applicatio
4、ns Determination of linearclimensions of test speciments ( , . - )3 :3.1 (water vapour transmission rate) q: , - , .1 N 120862011 201307013.2 (water vapour permeance) W: .3.3 (water vapour resistance) Z: , - .3.4 (water vapour permeability) c100: - . - , , .3.5 (water vapour diffusion resistancefact
5、or)c109: - . .3.6 (watervapour diffusion equivalent air layer thickness) sd: , , d. .4 , - . . , - , . .5 5.1 , , (-) . -, , . . 12 , - , 3 % (. , 1 2). . - .5.2 N 12085.5.3 , . 90 % , - , (. ).5.4 c177 1 . - .5.5 , c1773 % c177 1 C . 0,02 0,3 /. , , - .5.6 , .2 EN 120862011:5.6.1 90 %- 10 %- (-,).5
6、.6.2 60 %- 40 %- -.6 6.1 6.1.1 ,. ,20. / , c109c1633, , -/. , (.).6.1.2 . 100,.6.1.3 ( ,)502. ().6.2 .5002,-.6.1.1., ,. -, , - , . , -.6.3 6(23 c177 5) C.- (23 c177 2) C (50 c177 5)%,6.7 7.1 1.3 EN 120862011 1 , , % 1) 230/50 23 c177 1050c177 3 230/85 23c177 1085c177 3 2350/93 23 c177 150c177 39c177 31) 0 % , . . - .1 , , - .2 , ( ) .3 23 C ( - ): , %1) 252) l2, 28 3) g (Cl4)2 ( ):1) Na
